| Mikio Hara | cdfc4ce | 2013-06-04 17:42:58 +0900 | [diff] [blame] | 1 | // Copyright 2013 The Go Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| Mikio Hara | 9704df9 | 2014-04-27 22:30:08 +0900 | [diff] [blame] | 5 | // +build darwin dragonfly freebsd netbsd openbsd |
| Mikio Hara | cdfc4ce | 2013-06-04 17:42:58 +0900 | [diff] [blame] | 6 | |
| 7 | package ipv6 |
| 8 | |
| Mikio Hara | 668aea8 | 2014-12-04 17:32:07 +0900 | [diff] [blame] | 9 | func (f *sysICMPv6Filter) accept(typ ICMPType) { |
| 10 | f.Filt[typ>>5] |= 1 << (uint32(typ) & 31) |
| 11 | } |
| 12 | |
| 13 | func (f *sysICMPv6Filter) block(typ ICMPType) { |
| 14 | f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31) |
| Mikio Hara | cdfc4ce | 2013-06-04 17:42:58 +0900 | [diff] [blame] | 15 | } |
| 16 | |
| Mikio Hara | 97775bb | 2014-11-01 09:18:48 +0900 | [diff] [blame] | 17 | func (f *sysICMPv6Filter) setAll(block bool) { |
| Mikio Hara | d3a1ea6 | 2013-06-05 18:12:07 +0900 | [diff] [blame] | 18 | for i := range f.Filt { |
| Mikio Hara | cdfc4ce | 2013-06-04 17:42:58 +0900 | [diff] [blame] | 19 | if block { |
| 20 | f.Filt[i] = 0 |
| 21 | } else { |
| 22 | f.Filt[i] = 1<<32 - 1 |
| 23 | } |
| 24 | } |
| 25 | } |
| 26 | |
| Mikio Hara | 97775bb | 2014-11-01 09:18:48 +0900 | [diff] [blame] | 27 | func (f *sysICMPv6Filter) willBlock(typ ICMPType) bool { |
| Mikio Hara | cdfc4ce | 2013-06-04 17:42:58 +0900 | [diff] [blame] | 28 | return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0 |
| 29 | } |
